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单词 ProperSubgroup
释义

proper subgroup


A proper subgroupMathworldPlanetmath of a group Gis a subgroupMathworldPlanetmathPlanetmath H of G such that HG.

The only subgroup of G that is not a proper subgroup is G itself,which may therefore occasionally be called an improper subgroup.

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更新时间:2025/5/5 0:47:13